Re: Apple II SRAM card

[Linards Ticmanis <ticmanis@gmx.de>]

srkh28@gmail.com wrote:
> 
> I agree. Being backwards compatible is a must. My intention is to use
> one of the many Apple II diagnostic programs to test it. Im yet to
> locate a DRAM card schematic, saturn, language or otherwise and I dont
> know the control and bank switching scheme's off the top my head. Im
> sure its written about somewhere, but I was hoping for a source that
> was more an application example rather than academic. Either way,
> early days, ill keep looking. The Apple SRAM language card looks so
> simple and quick to implement, it was worth asking the question.

IIRC, you can find all that plus a serviceable circuit description in
Sather's "Understanding the Apple II", which is available online as a
PDF; just google for it.

-- 
Linards Ticmanis